/// <summary>
/// Executes the <see cref="TagHelper"/> with the given context and output.
/// </summary>
/// <param name="context">Contains information associated with the current HTML tag.</param>
/// <param name="output">A stateful HTML element used to generate an HTML tag.</param>
public override void Process(TagHelperContext context, TagHelperOutput output)
{
if (Policy != null)
{
if (!RequestContext.HttpContext.User.HasClaim(f => f.Type == Policy))
{
output.SuppressOutput();
return;
}
}
// Stores the inner content of the control. Uses a function to allow the invocation of the children after the parent.
childContent = () => output.GetChildContentAsync();
// Clears the output.
output.SuppressOutput();
// Renders the control html.
var control = RenderControl(context, output);
if (control != null)
{
if (context.IsInnerContent())
{
// If the control is an inner control, remove the tag data-control.
control.Attributes.Remove("data-control");
}
// Adds the html standard attributes
foreach (var attr in output.Attributes)
{
if (attr.Name == "class")
{
control.AddCssClass(attr.Value.ToString());
}
else
{
control.Attributes.Add(attr.Name, attr.Value.ToString());
}
}
output.Content.AppendHtml(control);
}
}
/// <summary>
/// Creates the framework control.
/// </summary>
/// <param name="context">Contains information associated with the current HTML tag.</param>
/// <param name="output">A stateful HTML element used to generate an HTML tag.</param>
/// <returns>The control instance.</returns>
protected sealed override IFWHtmlElement RenderControl(TagHelperContext context, TagHelperOutput output)
{
// TODO: template of input control is still experimental and might need fixing.
IFWTemplateOptions templateOptions = null;
if (context.IsInnerContent() && Name != null)
{
templateOptions = context.Items["TemplateOptions"] as IFWTemplateOptions;
var metadata = RequestContext.MetadataProvider.GetMetadataForType(templateOptions.ItemType);
For = new ModelExpression(Name, new ModelExplorer(RequestContext.MetadataProvider, metadata, $"{{{Name}}}"));
}
var control = RenderInputControl(context, output);
if (templateOptions != null)
{
control.Id = $"{templateOptions.Id}_{Name}_{{FWTemplateIndex}}";
control.Name = $"{templateOptions.Id}.{Name}"; //$"{templateOptions.Id}.{Name}[{{Index}}]";
}
if (HideLabel.HasValue)
{
control.DisplayLabel = !HideLabel.Value;
}
if (IsDisabled.HasValue)
{
control.IsDisabled = IsDisabled.Value;
}
if (IsReadonly.HasValue)
{
control.IsReadOnly = IsReadonly.Value;
}
control.Tooltip = Tooltip;
return(control);
}
